18535420

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5903}}^1$

素因数の和:6069

約数の個数: 24

約数和(自身を含む): 39178944

約数和(自身を除く): 20643524

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 5903, 11806, 23612, 29515, 59030, 118060, 926771, 1853542, 3707084, 4633855, 9267710, 18535420]

約数ペア:

[(1, 18535420), (2, 9267710), (4, 4633855), (5, 3707084), (10, 1853542), (20, 926771), (157, 118060), (314, 59030), (628, 29515), (785, 23612), (1570, 11806), (3140, 5903)]